from dataclasses import dataclass


@dataclass
class Point:
    """目标点坐标"""
    x: float
    y: float
    z: float = 0.0


@dataclass
class Position:
    """线速度角速度"""
    x: float
    y: float
    z: float


@dataclass
class Orientation:
    """姿态信息"""
    x: float
    y: float
    z: float
    w: float


@dataclass
class Odom:
    """里程计数据"""
    position: Position
    orientation: Orientation
